https://www.ecocitycraft.com/wiki/index.php?title=Features_Upgrades#TeleportPlus_-_.2420 "/jumpto -or- /jump -or- /j Teleports you to the block your cross hair is directed at. Simply allows for quicker travel. Do not attempt /j across the border as it will load unnecessary chunks and may impact the server negatively [sever spikes]. There are known bugs with /j, that may teleport you underground. /j is also restricted to certain distances as well." Not sure this is an error, it might be or might not. But I think '[server' is the right word.